A5027276775- Radioactivity and Radon Measurements
- Radiation Shielding Materials Analysis
- Nuclear and radioactivity studies
- Graphite, nuclear technology, radiation studies
- Geochemistry and Geologic Mapping
- Nuclear materials and radiation effects
- Radioactive contamination and transfer
- Radiation Dose and Imaging
- Glass properties and applications
- Radioactive element chemistry and processing
- Extraction and Separation Processes
- Radiation Detection and Scintillator Technologies
- Luminescence Properties of Advanced Materials
- Advanced X-ray and CT Imaging
- Heavy metals in environment
- Geophysical Methods and Applications
- Chemical Synthesis and Characterization
- Adsorption and biosorption for pollutant removal
- Geological and Geochemical Analysis
- Advanced Radiotherapy Techniques
- Perovskite Materials and Applications
- Geochemistry and Elemental Analysis
- Ionosphere and magnetosphere dynamics
- Solar and Space Plasma Dynamics
- Thermal Expansion and Ionic Conductivity
Nuclear Materials Authority
2019-2025
Ural Federal University
2019-2025
Institute of Physics and Technology
2021-2024
King Fahd University of Petroleum and Minerals
2024
Institute of Industrial Ecology
2024
Institute of Physics and Technology
2021-2023
The W-Cu composites with nanosized grain boundaries and high effective density were fabricated using a new fast isostatic hot pressing method. A significantly faster method was proposed for the formation of in comparison to traditional ones. influence both temperature pressure conditions on microstructure, structure, chemical composition, values observed. It has been shown that samples have polycrystalline well-packed microstructure. copper performs function matrix surrounds tungsten grains....
Mechanical moduli, such as Young's modulus (E), Bulks (B), Shear (S), longitudinal (L), Poisson's ratio (σ) and micro Hardness (H) were theoretically calculated for (100-x)TeO2+x MgO glasses, where x = 10, 20, 30, 40 45 mol%, based on the Makishima–Mackenzie model. The estimated results showed that mechanical moduli microhardness of glasses improved with increase contents in TM while decreased content. Moreover, radiation shielding capacity was evaluated studied glasses. Thus, linear...
A new nano-silica/chitosan (SiO2/CS) sorbent was created using a wet process to eliminate uranium(VI) from its solution. Measurements BET, XRD, EDX, SEM, and FTIR were utilized analyze the production of SiO2/CS. The adsorption progressions carried out by pH, SiO2/CS dose, temperature, sorbing time, U(VI) concentration measurements. optimal condition for sorption (165 mg/g) found be pH 3.5, 60 mg SiO2/CS, 50 min 200 mg/L U(VI). Both second-order kinetics Langmuir model observed obeyed ability...
A new synthetic material, namely, (3-(((4-((5-(((S)-hydroxyhydrophosphoryl)oxy)-2-nitrobenzylidene) amino) phenyl) imino) methyl)-4-nitrophenyl hydrogen (R)-phosphonate)), was subjected to a quaternary ammonium salt and named (HNAP/QA). Several characterizations, such as FTIR spectrometry, 1H-NMR analysis, 13C-NMR 31P-NMR Analysis, TGA GC-MS were performed ensure its felicitous preparation. HNAP/QA is capable of the selective adsorption W(VI) ions from solutions rock leachate. The optimum...
Considering how important rare earth elements (REEs) are for many different industries, it is to separate them from other elements. An extractant that binds REEs inexpensively and selectively even in the presence of interfering ions can be used develop a useful separation method. This work was designed recover spent nickel-metal hydride batteries using ammonium sulfate. The chemical composition Ni-MH examined. operating leaching conditions REE extraction black powder were experimentally...
We aimed, in this investigation, to prepare novel concretes which can be used gamma-ray shielding applications. The experimental approach was performed using a NaI (Tl) detector measure the concrete's features for different energies, ranging from 0.081 MeV 1.408 MeV. density of fabricated decreased with increasing W/C ratio, where by 2.680 g/cm
Spent Ni-Cd batteries are now considered an important source for many valuable metals. The recovery of cadmium, cobalt, and nickel from spent Batteries has been performed in this study. optimum leaching process was achieved using 20% H2SO4, solid/liquid (S/L) 1/5 at 80 °C 6 h. efficiency Fe, Cd, Co nearly 100%, whereas the Ni 95%. concerned elements attained successive different separation techniques. Cd(II) ions were extracted by a solvent, namely, Adogen® 464, precipitated as CdS with 0.5%...
This study presents the first application of sodium diethyldithiocarbamate/polyvinyl chloride (DdTC/PVC) as a novel adsorbent for rare earth element (REE) sorption from leach liquors. DdTC/PVC has higher adsorption properties than other sorbents, synthesis is more accessible resins, and it considered affordable sorbent. The three-liquid-phase extraction technique (TLPE) was applied to separate REEs into light, middle, heavy elements groups. TLPE an excellent achievable in separation REEs....
The synthetic B2O3As2O3 glass ceramic are prepared to investigate the physical properties and radiation shielding capabilities with variation of concentration As2O3 10, 20, 30, 40%, respectively. XRD analyses performed on fabricated glass–ceramic depicted improvement crystallinity by adding As2O3. studied for ceramic. values linear attenuation coefficient (LAC) varied incident photon gamma energy (23.1–103 keV). LAC enhanced from 12.19 cm−1–37.75 cm−1 raising 10 40 mol% at low (23.1 keV)...
A new sorbent cetylpyridinium bromide/polyvinylchloride (CPB/PVC) was prepared and tested to extract rare earth elements (REEs) from their chloride solutions. It identified by FTIR, TGA, SEM, EDX, XRD. The impact of various factors such as pH, RE ion initial concentration, contacting time, dose amount via sorption process inspected. optimum pH 6.0, the equilibrium contact time reached at 60 min 25 °C. adsorbent uptake capacity 182.6 mg/g. adsorption ions onto CPB/PVC found fit Langmuir...
The present study aimed to assess the radioactive hazards associated with application of granitoid rocks in building materials. An HPGe spectrometer was used detect levels elements uranium-238, thorium-232, and potassium-40 rocks. results showed that these were lower (38.32 < 33 Bq kg−1), comparable (47.19–45 kg-1) higher (992.26 ≫> 412 kg−1) than worldwide limits for 238U, 232Th, 40K concentration, respectively. exposure gamma radiation studied by various radiological hazard variables like...
The study focused on syenogranite and its altered variety, specifically monitored the activities of 226Ra, 232Th, 40K using NaI(Tl) gamma-ray spectroscopy. Syenogranites in area Egypt were investigated to determine their potential use industries such as ornamental stones ceramics. main outcrops consist metasediments, metavolcanics, metagabbro, syn-to late-orogenic granites, post-orogenic granites (syenogranites). There are also numerous dikes veins various shapes compositions that have...
A new synthetic chelating N-hydroxy-N-trioctyl iminophosphorane (HTIP) was prepared through the reaction of trioctylphosphine oxide (TOPO) with N-hydroxylamine hydrochloride in presence a Lewis acid (AlCl3). Specifications for HTIP ligand were successfully determined using many analytical techniques, 13C-NMR, 1H-NMR, FTIR, EDX, and GC-MS analyses, which assured reasonable synthesis ligand. The ability to retain U(VI) ions investigated. optimum experimental factors, pH value, time, initial...
The Hummer process is applied to generate graphene oxide from carbon stocks’ discharged Zn-C batteries waste. SiO2 produced rice husks through the wet process. Subsequently, reacted with form silica/graphene (SiO2/GO) as a sorbent material. XRD, BET, SEM, EDX, and FTIR were employed characterize SiO2/GO. Factors affecting U(VI) sorption on SiO2/GO, including pH, time, dosage of ions’ concentration, temperature, considered. experimental data consequences indicated that uptake capacity SiO2/GO...